An early "Highway Map and Guide of Missouri" shows Route 66 through Laclede County as a road "usable all year," the best class of road on the map.
On the back side of this 1929 Standard Oil Co. map of "Main Trunk and Highways" of Wisconsin is a "Territorial Road Map featuring Federal System of Highways" for the Midwest, including the 3-year-old Route 66 from Chicago to northeast Oklahoma.
This is the front of a Historic Route 66 Map of Laclede County produced in 2003 by the Lebanon-Laclede County Route 66 Society and The Lebanon Daily Record.
This is the back of a Historic Route 66 Map of Laclede County produced in 2003 by the Lebanon-Laclede County Route 66 Society and The Lebanon Daily Record.
Here's a view of the eastern part of Route 66 from Chicago west to past the Texas-New Mexico border. This is from a national map on the backside of a "Highway Map North Central Section of the United States" distributed by Standard Oil Company of Indiana with plugs for all its sister companie…
The 1956 Official Missouri Highway Map shows that U.S. 66 was four lanes east of Missouri 133, east of Hazelgreen, and west of Conway but still two lanes through almost all of Laclede County.
Of the seven Route 66 roadside parks maintained by the Missouri State Highway Commission in 1956, two were located in Laclede County. The parks were listed on the 1956 Official Missouri Highway Map.